The burglar alarm is activated by pressure.
Unbelievably, the museum didn't have a functioning burglar alarm, and the thief was able to simply smash a window and remove the pictures from their frames, without incident.
Even so, he thinks novel approaches such as mobile-based validation may "harden the target", just as a burglar alarm makes your home somewhat trickier to rob.
He got a job selling burglar alarms and also worked at a pub.
This "burglar alarm," scientists speculate, is meant to attract the attention of an even bigger creature that might be able to eat the predator and free the jellyfish.
If you live in an area prone to burglaries, consider acquiring a burglar alarm.
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